diff --git a/internal/indexcoord/param_table.go b/internal/indexcoord/param_table.go
index fb671a0c39..377ad56bda 100644
--- a/internal/indexcoord/param_table.go
+++ b/internal/indexcoord/param_table.go
@@ -148,6 +148,7 @@ func (pt *ParamTable) initMinIOUseSSL() {
 	}
 }
 
+// initMinioBucketName initializes the minio bucket name of configuration items.
 func (pt *ParamTable) initMinioBucketName() {
 	bucketName, err := pt.Load("minio.bucketName")
 	if err != nil {